Search a number
-
+
8427233 is a prime number
BaseRepresentation
bin100000001001…
…011011100001
3120212010222202
4200021123201
54124132413
6500342545
7131426123
oct40113341
916763882
108427233
114836561
1229a4a55
131990a39
141195213
15b16e58
hex8096e1

8427233 has 2 divisors, whose sum is σ = 8427234. Its totient is φ = 8427232.

The previous prime is 8427217. The next prime is 8427247. The reversal of 8427233 is 3327248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5161984 + 3265249 = 2272^2 + 1807^2 .

It is a cyclic number.

It is not a de Polignac number, because 8427233 - 24 = 8427217 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 85 + 45 + 2 + 74 + 223 + 35 + 37 .

It is a junction number, because it is equal to n+sod(n) for n = 8427196 and 8427205.

It is not a weakly prime, because it can be changed into another prime (8427283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4213616 + 4213617.

It is an arithmetic number, because the mean of its divisors is an integer number (4213617).

Almost surely, 28427233 is an apocalyptic number.

It is an amenable number.

8427233 is a deficient number, since it is larger than the sum of its proper divisors (1).

8427233 is an equidigital number, since it uses as much as digits as its factorization.

8427233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 8427233 is about 2902.9696863729. The cubic root of 8427233 is about 203.4987131343.

The spelling of 8427233 in words is "eight million, four hundred twenty-seven thousand, two hundred thirty-three".